diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 586d47e043..f6c8ec1b04 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -306,6 +306,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     case AV_CODEC_ID_WMV3:        maxpixels  /= 1024;  break;
     case AV_CODEC_ID_WS_VQA:      maxpixels  /= 16384; break;
     case AV_CODEC_ID_WMALOSSLESS: maxsamples /= 1024;  break;
+    case AV_CODEC_ID_WMAPRO:      maxsamples /= 16384; break;
     case AV_CODEC_ID_YLC:         maxpixels  /= 1024;  break;
     case AV_CODEC_ID_ZEROCODEC:   maxpixels  /= 128;   break;
     case AV_CODEC_ID_ZLIB:        maxpixels  /= 4096;  break;